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单选题
In restricted visibility, a vessel which detects by radar alone the presence of another vessel shall determine if a close quarters situation is developing or risk of collision exists. If so, she shall（）.
A
sound the danger signal
B
when taking action, make only course changes
C
avoid altering course toward a vessel abaft the beam
D
All of the above
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The term "moderate speed" was previously interpreted（解释） as meaning a speed which would enable a vessel ______within half the range of visibility.A.stoppingB.being stoppedC.to stopD.to be stopped
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In restricted visibility the speed of a vessel without operational radar may be ________ enable effective avoiding action to be taken on sighting another ship．A.too low toB.too high toC.too high forD.too low for
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In restricted visibility the safe speed of a vessel without operational radar may be ________ enable effective avoiding action to be taken on sighting another ship．A.too low toB.too high toC.too high forD.too low for
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In restricted visibility, a vessel which detects by radar alone the presence of another vessel shall determine if a close quarters situation is developing or risk of collision exists. If so, she shall __________.A.sound the danger signalB.when taking action, make only course changesC.avoid altering course toward a vessel abaft the beamD.All of the above
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单选题Which vessel is NOT to be regarded as restricted in her ability to maneuver（）.A
A vessel transferring provisions while underwayB
A pushing vessel and a vessel being pushed when connected in a composite unitC
A vessel servicing a navigation markD
A vessel launching aircraft
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单选题To determine if risk of collision exists，a vessel which is fitted with radar must use（）.A
radar scanningB
radar plottingC
compass bearingsD
All of the above
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单选题You are in restricted visibility and hear a fog signal forward of the beam. Nothing appears on your radar screen. You must（）.A
stop your enginesB
sound two prolonged blasts of the whistleC
sound the danger signalD
slow to bare steerageway
考题
单选题The steering and sailing rules for vessels in restricted visibility apply to vessels（）.A
in sight of one another in fogB
navigating in or near an area of restricted visibilityC
only if they are showing special purpose lightsD
only if they have operational radar
考题
单选题Which vessel is NOT classified as “restricted in her ability to maneuver” （）.A
A vessel picking up a navigation markB
A vessel transferring cargo while underwayC
A vessel whose anchor is fouledD
A vessel in a towing operation that restricts the ability of the vessel and her tow to change their course
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单选题（）is not a vessel restricted in her ability to maneuver．A
A vessel engaged in laying，servicing or picking up a navigation mark，submarine cable or pipelineB
A vessel engaged in dredging，surveying or underwater operationsC
A vessel engaged in replenishment or transferring persons，provisions or cargo while underwayD
A power driven vessel which because of her draught in relation to the available depth and width of navigation water is severely restricted in her ability to deviate from the course she is following
考题
单选题The term restricted visibility，when used in the Rules，refers to（）.A
situations when you can see vessels on radar that you cannot see visuallyB
visibility of less than half a mileC
any condition where visibility is restrictedD
visibility where you cannot see shore
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单选题You are underway in restricted visibility and hear a fog signal forward of the beam. Nothing appears on your radar screen. You must（）.A
stop your enginesB
sound two prolonged blasts of the whistleC
sound the danger signalD
slow to bare steerageway
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单选题A vessel which through some exceptional circumstance is unable to maneuver as required by these Rules and is therefore unable to keep out of the way of another vessel is called（）.A
a vessel restricted in her ability to maneuverB
a vessel not under commandC
a vessel engaged in fishingD
a vessel constrained by her draught
考题
单选题Which statement is true concerning a vessel equipped with operational radar?（）.A
The Master of the vessel must be on the bridge when the radar is in useB
The radar equipment is only required to be used in restricted visibilityC
The use of a radar excuses a vessel from the need of a look-outD
This equipment must be used to obtain early warning of risk of collision
考题
单选题The term “moderate speed” was previously interpreted as meaning a speed which would enable a vessel （）within half the range of visibility.A
stoppingB
being stoppedC
to stopD
to be stopped
考题
单选题You are Master of a towing vessel engaged in towing three barges astern.The middle barge of the tow would be required to sound which of the following during restricted visibility （）.A
No fog signalB
A prolonged blast at intervals never to exceed more than two minutesC
A prolonged blast followed by two short blasts at intervals never to exceed more than two minutesD
A prolonged blast followed by three short blasts at intervals never to exceed more than one minute
考题
单选题When visibility is restricted（），we can say it is restricted visibility.A
by long distanceB
by the darkness at nightC
by a vessel in frontD
by fog or falling snow
考题
单选题A vessel towing astern in an operation which severely restricts the towing vessel and her tow in their ability to change course shall，when making way，exhibit（）.A
the masthead lights for a towing vesselB
the lights for a vessel restricted in its ability to maneuverC
sidelights，sternlight and towing lightD
All of the above
考题
单选题In restricted visibility a towed vessel must sound a fog signal when it is（）.A
the last vessel in the towB
the last vessel in the tow and it is carrying a crewC
manned，regardless of its position in the towD
None of the above are correct
考题
单选题A power-driven vessel shall have her engine ready for（）when the visibility is restricted.A
immediate stoppingB
immediate maneuveringC
immediate anchoringD
immediate going astern
考题
单选题At an unsheltered anchorage the chief engineer officer shall consult with the master whetheror not to maintain an underway watch“An underway watch” means（）A
a watch which is kept with lower standardB
a watch which is kept when the ship isnt sailingC
a watch which is kept when the ship is sailingD
a watch which is kept when the ship is in a restricted visibility area
考题
单选题AREAS WHICH CANNOT BE SCANNED BY THE RADAR OF THE VESSEL BECAUSE THEY ARE SHIELDED BY PARTS OF ITS SUPERSTRUCTURE，MASTS，ETC means（）.A
Blind sectorsB
Sheltered areaC
Unseen areaD
Unscanable area
考题
单选题In restricted visibility the speed of a vessel without operational radar may be（）enable effective avoiding action to be taken on sighting another ship.A
too low toB
too high toC
too high forD
too low for
考题
单选题Which statement concerning maneuvering in restricted visibility is FALSE?（）.A
A vessel which cannot avoid a close-quarters situation with a vessel forward of her beam shall reduce her speed to bare steeragewayB
A vessel which hears a fog signal forward of her beam shall stop her enginesC
A vessel which hears a fog signal forward of the beam shall navigate with cautionD
If a vessel determines by radar that a close-quarters situation is developing，she shall take avoiding action in ample time
考题
单选题Which statement is TRUE concerning a vessel equipped with operational radar?（）.A
She must use this equipment to obtain early warning of risk of collisionB
The use of a radar excuses a vessel from the need of a look-outC
The radar equipment is only required to be used in restricted visibilityD
The safe speed of such a vessel will likely be greater than that of vessels without radar
考题
单选题Which vessel，when anchored at night，is NOT required to show anchor lights?（）.A
A power-driven vesselB
A vessel engaged on pilotage dutyC
A vessel dredgingD
A vessel restricted in her ability to maneuver
考题
单选题Which statement is TRUE，according to the Rules（）.A
A vessel not under command shall keep out of the way of a vessel restricted in her ability to maneuverB
A vessel not under command shall avoid impeding the safe passage of a vessel constrained by her draftC
A vessel constrained by her draft shall keep out of the way of a vessel engaged in fishingD
A vessel engaged in fishing while underway shall，so far as possible，keep out of the way of a vessel restricted in her ability to maneuver
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